Home / 3,025.80-4,538.73-834.65

Finding the Fourth Proportional to 3,025.80, 4,538.73 and 834.65

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Solution

The fourth proportional to 3,025.80, 4,538.73 and 834.65 is: 1,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.80 : 4,538.73 = 834.65 : x
  2. Step 2: Convert to fraction form
    3,025.80/4,538.73 = 834.65/x
  3. Step 3: Cross multiply
    3,025.80x = 4,538.73 × 834.65
  4. Step 4: Simplify right side
    3,025.80x = 3,788,250.99
  5. Step 5: Solve for x
    x = 3,788,250.99/3,025.80
  6. Step 6: Final answer
    x = 1,251.98

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.